Since the early 2000s and the advent of the first guidance relating to mutagenic impurities developed by the European Medicines Agency (EMA), it has been necessary to assess the risk posed by mutagenic impurities. Although… Read more >
When a crisis occurs, hindsight is a great teacher. Any company developing or manufacturing products that impact human health can learn from the recent nitrosamine impurity contamination of angiotensin II receptor blockers (ARBs) by reviewing… Read more >
The nitrosamine impurity crisis continues to be on the mind of every stakeholder involved in the development and manufacturing of affected drug products. In our interactions with key opinion leaders and those in the lab having to develop and validate nitrosamine testing methods, we’ve come across a few common questions that we want to address here
In an earlier blog, I discussed the concerns about extraneous peaks that might appear in LC separations. While there can be many sources for peaks unrelated to the test substances, how do you decide which… Read more >
The recent nitrosamine impurity crisis has brought into question the quality of many APIs (Active Pharmaceutical Ingredients) produced and sourced for a number of popular drugs, resulting in product recalls, lost profits, and regulatory actions.… Read more >
Lots of questions about calculating impurities in Empower Software! Here’s another answer to a reader who inquired: How do you quantitate impurities against the main component? We’re happy to show how…
